Are Bicycle Disc Brakes Really Less Aerodynamic Than Caliper Brakes?

Are Bicycle Disc Brakes Really Less Aerodynamic Than Caliper Brakes?

Bicycle disc brake aerodynamics is going to be a popular topic moving forward as more and more racing oriented bikes (including tri bikes) receive disc brakes. It has been assumed that disc brakes are less aerodynamic than caliper brakes. However, there really hasn’t been a whole lot of data to support or debate this. With high…